CN201629270U - Bi-stable magnetic latching contactor for electro-tricycle power switch - Google Patents
Bi-stable magnetic latching contactor for electro-tricycle power switch Download PDFInfo
- Publication number
- CN201629270U CN201629270U CN2010201091310U CN201020109131U CN201629270U CN 201629270 U CN201629270 U CN 201629270U CN 2010201091310 U CN2010201091310 U CN 2010201091310U CN 201020109131 U CN201020109131 U CN 201020109131U CN 201629270 U CN201629270 U CN 201629270U
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- China
- Prior art keywords
- iron core
- assembly
- static iron
- magnetic latching
- power supply
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Abstract
The utility model relates to an electromagnetic switch and particularly provides a bi-stable magnetic latching contactor for an electro-tricycle power switch, which is structurally characterized by comprising a cover assembly, wherein the lower part of the cover assembly is connected with a housing, a static iron core is fixed above the inner part of the housing, the lower part of the static iron core is connected with a movable iron core component, the upper part of the static iron core is connected with a movable contact assembly, the static iron core is externally provided with a copper sleeve, a coil assembly is arranged between the outer part of the copper sleeve and the housing, an upper spring is arranged between the static iron core and the movable contact assembly, and a lower spring is arranged between the static iron core and the movable iron core component. Compared with the prior art, the bi-stable magnetic latching contactor for the electro-tricycle power switch aims at eliminating loss of electric energy and improving the performances of a product, and overcomes the defects that when the traditional electromagnetic switch is turned on, as the coil is in a power-up state all the time, the electric energy losses, and the coil is easy to burn out due to long-term power-on and heating.
Description
Technical field
The utility model relates to a kind of electromagnetic switch, and a kind of bistable state magnetic latching contactor for power supply switch of electric tricycle specifically is provided.
Background technology
The switching on and off of former traditional electrical magnetic switch leans against and applies certain range of excitation voltage on the coil and realize, switch in running order (as switch connection) then coil need apply driving voltage, only be in another operating state (disconnecting) as switch, at this moment the driving voltage on the coil just can remove, so as long as switch connection just needs coil to pass to driving voltage always, its long-time heating power consumed energy, because of self-heating resistance increases, the magnetic force that is produced (number of ampere turns) reduces, be reflected to and make the decline of switch contact pressure on the switch, cause the switch contact unreliable; If under summer high temperature environment, because the long-term heating power of coil also may burn out coil, and disablement.
The utility model content
The utility model is at above deficiency, a kind of bistable state magnetic latching contactor for power supply switch of electric tricycle is provided, to eliminate electric energy loss and to enhance product performance is purpose, eliminate the traditional electrical magnetic switch when switch connection, because of coil is in "on" position loss electric energy always, and the deficiency of long-term heating power easy burn-out coil also can be eliminated the influence that the switch contact quality is subjected to the coil power voltage fluctuation in addition.
The technical scheme that its technical problem that solves the utility model adopts is:
A kind of bistable state magnetic latching contactor for power supply switch of electric tricycle, comprise the lid assembly, described lid assembly below connects shell, upper fixed has static iron core in the shell, described static iron core below is connected with moving core assembly, described static iron core top is connected with the moving contact assembly, described static iron core outer setting has copper sheathing, be provided with coil assembly outside the described copper sheathing and between the shell, be provided with upper spring between described static iron core and the moving contact assembly, be provided with lower spring between described static iron core and the moving core assembly.
Be connected with support on the shell.
The lid assembly comprises insulating lid, and described insulating lid is provided with the fixed contact assembly, on the described fixed contact assembly hex nut is set.
Be provided with packing ring and O-ring seals between hex nut and the fixed contact assembly.
Moving core assembly comprises that the upper end is arranged at the brass pole at described static iron core center, described brass pole lower end is fixed in the pure iron pole by turning over to press, the brass pole of described pure iron pole top is outside equipped with permanent-magnet pieces, is provided with lower spring between described permanent-magnet pieces and the static iron core.
The moving contact assembly comprises insulating bushing and last insulating bushing down, be provided with the moving contact assembly between described insulating bushing down and the last insulating bushing, described upward insulating bushing, moving contact assembly and following insulating bushing pass the brass pole upper end of described moving core assembly, and fix by the split washer on top and the copper washer of bottom, be provided with upper spring between the following and described static iron core of described copper washer.
Be provided with seal washer between lid assembly and the shell.
The shell lower end is provided with dust cover.
Be connected with the lead assembly on the lid assembly, described lead assembly comprises that an end connects the lead of the fixed contact assembly on the described lid assembly, described lead is outside equipped with sheath, and the other end of described lead is provided with chip plug connector plug, and described chip plug connector plug is outside equipped with plastic sheath.
Because (being switch connection or disconnection) do not have electric current to flow through coil again after the work of this contactor, so coil does not generate heat, no longer loss of energy does not have electromagnetic interference yet.And behind switch connection, the constant magnetic force by permanent-magnet pieces is sucked fully, is not subjected to the influence of mains fluctuations, therefore compares with traditional electromagnetic switch and has not only saved the energy, has avoided the electromagnetic interference near electric elements, has also improved the switch contact quality; Thereby reliability of products is improved, and prolonged useful life.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is a kind of structural front view of bistable state magnetic latching contactor for power supply switch of electric tricycle;
Fig. 2 is a kind of structure vertical view of bistable state magnetic latching contactor for power supply switch of electric tricycle;
Fig. 3 is that the A-A of Fig. 2 is to the structure cutaway view;
Fig. 4 is a kind of moving core assembly structure schematic diagram of bistable state magnetic latching contactor for power supply switch of electric tricycle;
Fig. 5 is a kind of moving contact assembly structure schematic diagram of bistable state magnetic latching contactor for power supply switch of electric tricycle;
Fig. 6 is a kind of static iron core and loop construction schematic diagram of bistable state magnetic latching contactor for power supply switch of electric tricycle;
Fig. 7 is a kind of lid assembly structure schematic diagram of bistable state magnetic latching contactor for power supply switch of electric tricycle;
Fig. 8 is a kind of lead assembly structure schematic diagram of bistable state magnetic latching contactor for power supply switch of electric tricycle.
Concrete mark is as follows in the accompanying drawing:
1, shell; 2, static iron core; 3, copper sheathing; 4, coil assembly; 5, upper spring; 6, lower spring; 7, support; 8, insulating lid; 9, fixed contact assembly; 10, hex nut; 11, packing ring; 12, O-ring seals; 13, brass pole; 14, turn over and press; 15, pure iron pole; 16, permanent-magnet pieces; 17, following insulating bushing; 18, go up insulating bushing; 19, moving contact assembly; 20, split washer; 21, copper washer; 22, seal washer; 23, dust cover; 24, lead; 25, sheath; 26, chip plug connector plug; 27, plastic sheath.
Embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments, but not as to qualification of the present utility model.
Provide a most preferred embodiment below:
Shown in Fig. 1 to 8, a kind of bistable state magnetic latching contactor for power supply switch of electric tricycle, comprise the lid assembly, described lid assembly below connects shell 1, upper fixed has static iron core 2 in the shell 1, described static iron core 2 belows are connected with moving core assembly, described static iron core 2 tops are connected with the moving contact assembly, described static iron core 2 outer setting have copper sheathing 3, described copper sheathing 3 is provided with coil assembly 4 outward and between the shell 1, be provided with upper spring 5 between described static iron core 2 and the moving contact assembly, be provided with lower spring 6 between described static iron core 2 and the moving core assembly.
Be connected with support 7 on the shell 1.
The lid assembly comprises insulating lid 8, and described insulating lid 8 is provided with fixed contact assembly 9, on the described fixed contact assembly 9 hex nut 10 is set.
Be provided with packing ring 11 and O-ring seals 12 between hex nut 10 and the fixed contact assembly 9.
Moving core assembly comprises that the upper end is arranged at the brass pole 13 at described static iron core 2 centers, described brass pole 13 lower ends 14 are fixed in the pure iron pole 15 by turning over to press, the brass pole 13 of described pure iron pole 15 tops is outside equipped with permanent-magnet pieces 16, is provided with lower spring 6 between described permanent-magnet pieces 16 and the static iron core 2.
The moving contact assembly comprises insulating bushing 17 and last insulating bushing 18 down, be provided with moving contact assembly 19 between described insulating bushing 17 down and the last insulating bushing 18, described upward insulating bushing 17, moving contact assembly 19 and following insulating bushing 18 pass brass pole 13 upper ends of described moving core assembly, and the copper washer 21 of split washer 20 by the top and bottom is fixing, is provided with upper spring 5 between the following and described static iron core 2 of described copper washer 21.
Be provided with seal washer 22 between lid assembly and the shell 1.
Be connected with the lead assembly on the lid assembly, described lead assembly comprises that an end connects the lead 24 of the fixed contact assembly 9 on the described lid assembly, described lead 24 is outside equipped with sheath 25, the other end of described lead 24 is provided with chip plug connector plug 26, and described chip plug connector plug 26 is outside equipped with plastic sheath 27.
The technical characterstic of magnetic latching contactor product of the present invention is the traditional electromagnetic drive mechanism of electromagnetic drive mechanism replacement with the band magneto, promptly utilize the DC current pulse of a logical opposed polarity of solenoid moment, it produces the same and different of the certain permanent magnetism static iron core magnetic direction of solenoid magnet force direction and magnetic direction and the operating state (switch connection or disconnection) of change product.Be in off-state as switch, the maintenance of this state is to keep its state constant (because of its spring force moves the suction of iron core to static iron core greater than permanent magnetism under this state) by spring force; Make switch connection promptly change above state, only need press the switch connection button promptly to the logical pulse current (as being referred to as to call direct impulse) of coil, at this moment the solenoid magnetic force that coil produced is identical with the magnetic force direction of the moving iron core of permanent magnetism, its magnetic force addition has substantially exceeded spring force, its sound iron core is inhaled mutually, the moving iron core of permanent magnetism moves up together with the switch moving contact and makes switch connection, pulse is later because of the sound iron core sucks under the effect of permanent magnetism power, and this moment, suction (was that the magnetic force of permanent-magnet pieces has substantially exceeded spring force its switch connection state is kept.As switch is disconnected, it is promptly opposite with the magnetic force direction of the moving iron core of permanent magnetism to opposite pulse current (as being referred to as to call negative-going pulse) the solenoid magnetic force that at this moment coil produced of the logical direction of coil more only need to press the switch cut-off push button, magnetic force is reduced to zero greatly, the moving iron core of band permanent-magnet pieces leaves static iron core under the effect of spring force, the switch moving contact of interlock moves down the task that switch disconnects of finishing with it.And because of air gap increases, at this moment less than spring force, switch off state is kept by spring force permanent-magnet pieces (moving iron core) fully to static iron core suction between the dynamic and static iron core.
This contactor has also adopted hermetic design, makes it reach the standard of the water-fast protection of IP56 (GB4942.2).
This contactor important technological parameters:
1, coil nominal voltage: 48VDC; 2, coil working voltage range: 42V～54VDC;
3, cold conditions operation voltage :≤36VDC; 4, coil electricity pulsewidth: 30ms～100ms;
5, maximum contact current: 180A; 6, loadtype: direct current or interchange;
7, dielectric withstanding voltage: 1500VAC 1min; 8, electric life: 15000 times;
9, operating temperature range :-40 ℃～+ 80 ℃
Above-described embodiment, the utility model embodiment a kind of more preferably just, the common variation that those skilled in the art carries out in the technical solutions of the utility model scope and replacing all should be included in the protection range of the present utility model.
Claims (9)
1. bistable state magnetic latching contactor for power supply switch of electric tricycle, comprise the lid assembly, described lid assembly below connects shell, it is characterized in that, upper fixed has static iron core in the described shell, described static iron core below is connected with moving core assembly, described static iron core top is connected with the moving contact assembly, described static iron core outer setting has copper sheathing, be provided with coil assembly outside the described copper sheathing and between the shell, be provided with upper spring between described static iron core and the moving contact assembly, be provided with lower spring between described static iron core and the moving core assembly.
2. a kind of bistable state magnetic latching contactor for power supply switch of electric tricycle according to claim 1 is characterized in that, is connected with support on the described shell.
3. a kind of bistable state magnetic latching contactor for power supply switch of electric tricycle according to claim 1 is characterized in that, described lid assembly comprises insulating lid, and described insulating lid is provided with the fixed contact assembly, on the described fixed contact assembly hex nut is set.
4. a kind of bistable state magnetic latching contactor for power supply switch of electric tricycle according to claim 3 is characterized in that, is provided with packing ring and O-ring seals between described hex nut and the fixed contact assembly.
5. a kind of bistable state magnetic latching contactor for power supply switch of electric tricycle according to claim 1, it is characterized in that, described moving core assembly comprises that the upper end is arranged at the brass pole at described static iron core center, described brass pole lower end is fixed in the pure iron pole by turning over to press, the brass pole of described pure iron pole top is outside equipped with permanent-magnet pieces, is provided with lower spring between described permanent-magnet pieces and the static iron core.
6. a kind of bistable state magnetic latching contactor for power supply switch of electric tricycle according to claim 1, it is characterized in that, described moving contact assembly comprises insulating bushing and last insulating bushing down, be provided with the moving contact assembly between described insulating bushing down and the last insulating bushing, described upward insulating bushing, moving contact assembly and following insulating bushing pass the brass pole upper end of described moving core assembly, and fix by the split washer on top and the copper washer of bottom, be provided with upper spring between the following and described static iron core of described copper washer.
7. a kind of bistable state magnetic latching contactor for power supply switch of electric tricycle according to claim 1 is characterized in that, is provided with seal washer between described lid assembly and the shell.
8. a kind of bistable state magnetic latching contactor for power supply switch of electric tricycle according to claim 1 is characterized in that, described shell lower end is provided with dust cover.
9. according to claim 1 or 3 described a kind of bistable state magnetic latching contactor for power supply switch of electric tricycle, it is characterized in that, be connected with the lead assembly on the described lid assembly, described lead assembly comprises that an end connects the lead of the fixed contact assembly on the described lid assembly, described lead is outside equipped with sheath, the other end of described lead is provided with chip plug connector plug, and described chip plug connector plug is outside equipped with plastic sheath.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201091310U CN201629270U (en) | 2010-02-05 | 2010-02-05 | Bi-stable magnetic latching contactor for electro-tricycle power switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201091310U CN201629270U (en) | 2010-02-05 | 2010-02-05 | Bi-stable magnetic latching contactor for electro-tricycle power switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201629270U true CN201629270U (en) | 2010-11-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201091310U Expired - Fee Related CN201629270U (en) | 2010-02-05 | 2010-02-05 | Bi-stable magnetic latching contactor for electro-tricycle power switch |
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| CN (1) | CN201629270U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102945772A (en) * | 2012-10-24 | 2013-02-27 | 北京八大处奥博科技发展有限公司 | Electromagnetic power supply master switch for vehicle |
| CN101840817B (en) * | 2010-02-05 | 2013-03-20 | 宁波松乐电器有限公司 | Bistable state magnetic latching contactor for power supply switch of electric tricycle |
| CN103493167B (en) * | 2011-02-25 | 2015-12-23 | 黑格电子股份有限公司 | Magnetic thermal actuator |
| CN105374634A (en) * | 2014-08-14 | 2016-03-02 | Ls产电株式会社 | Electromagnetic contactor |
-
2010
- 2010-02-05 CN CN2010201091310U patent/CN201629270U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101840817B (en) * | 2010-02-05 | 2013-03-20 | 宁波松乐电器有限公司 | Bistable state magnetic latching contactor for power supply switch of electric tricycle |
| CN103493167B (en) * | 2011-02-25 | 2015-12-23 | 黑格电子股份有限公司 | Magnetic thermal actuator |
| CN102945772A (en) * | 2012-10-24 | 2013-02-27 | 北京八大处奥博科技发展有限公司 | Electromagnetic power supply master switch for vehicle |
| CN102945772B (en) * | 2012-10-24 | 2015-08-19 | 北京八大处奥博科技发展有限公司 | electromagnetic power main switch for vehicle |
| CN105374634A (en) * | 2014-08-14 | 2016-03-02 | Ls产电株式会社 | Electromagnetic contactor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101110 Termination date: 20120205 |